chapter 25: instruments for optical spectroscopy
DESCRIPTION
Chapter 25: Instruments for Optical Spectroscopy. CHE 321: Quantitative Chemical Analysis Dr. Jerome Williams, Ph.D. Saint Leo University. Overview. Instrumental 101 Radiation Sources Wavelength Selectors Detectors Signal Processor & Readout. Instrumental 101. - PowerPoint PPT PresentationTRANSCRIPT
Chapter 25: Instruments for Chapter 25: Instruments for Optical SpectroscopyOptical Spectroscopy
CHE 321: Quantitative Chemical AnalysisCHE 321: Quantitative Chemical AnalysisDr. Jerome Williams, Ph.D.Dr. Jerome Williams, Ph.D.
Saint Leo UniversitySaint Leo University
OverviewOverview
• Instrumental 101Instrumental 101– Radiation SourcesRadiation Sources– Wavelength SelectorsWavelength Selectors– DetectorsDetectors– Signal Processor & ReadoutSignal Processor & Readout
Instrumental 101
• Components in Optical Spectrometer– Radiation Source– Wavelength Selector– Sample Compartment– Detector– Signal Processor & Readout
Radiation Sources
• Choice of Source depends on several factors– Instrumental Technique Employed– Region of Electromagnetic Spectrum– Availability– Cost